# SDR CALA2026081218523

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2026
- Submitted: August 12, 2026
- Operation: Air carrier
- Aircraft: [N47280](https://openairdocs.org/aircraft/N47280), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 64614
- Aircraft time: 12,590 hours, 4,304 cycles
- System (JASC): [2310 · HF Communications System](https://openairdocs.org/jasc/2310)
- Part: Transceiver
- Condition: Faulted
- Location: Nr 1 Hf
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026081218523

## Discrepancy

HF RADIO TRANSMISSION PROBLEM,  COULD NOT TRANSMIT ON HF 1.  ATTEMPTED HF1 SYSTEM TEST. HF 1 WOULD NOT TRANSMIT. PLACED ON MEL 2311E. PLACARDS APPLIED.

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